WILL GIVE MEDAL O=]
What are all the common factors of 28 and 42?

A.
1, 2, 7, 14

B.
1, 7, 14

C.
1, 2, 7, 14, 28

D.
1, 2, 4, 14, 28

Question

WILL GIVE MEDAL O=]
What are all the common factors of 28 and 42?  
 
 

 
 

  

  A. 
  1, 2, 7, 14   
   

 
 

  

  B. 
  1, 7, 14   
   

 
 

  

  C. 
  1, 2, 7, 14, 28   
   

 
 

  

  D. 
  1, 2, 4, 14, 28

bibby · Answer

start by listing the factors of 28. I'll start you off
1,2,4...

anonymous · Answer

So its D

anonymous · Answer

28 = 1x28 = 2x14 = 4x7 
42 = 1x42 = 2x21 = 3x14 = 6x7 

So the factors of 28 are: 1,2,4,7,14,28 
The factors of 42 are: 1,2,3,6,7,14,21,42 

Therefore the common factors are: 1,2,7, 14

bibby · Answer

28 is not a factor of 42. Work it through step by step

bibby · Answer

or have someone feed you the answer